Home / 15,411.40-23,111.63-5,548.03

Finding the Fourth Proportional to 15,411.40, 23,111.63 and 5,548.03

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Solution

The fourth proportional to 15,411.40, 23,111.63 and 5,548.03 is: 8,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411.40 : 23,111.63 = 5,548.03 : x
  2. Step 2: Convert to fraction form
    15,411.40/23,111.63 = 5,548.03/x
  3. Step 3: Cross multiply
    15,411.40x = 23,111.63 × 5,548.03
  4. Step 4: Simplify right side
    15,411.40x = 128,223,951.87
  5. Step 5: Solve for x
    x = 128,223,951.87/15,411.40
  6. Step 6: Final answer
    x = 8,320.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.